KY K-PREP 7th Grade Science Part A Sample

The table below shows the chemical and physical properties of several materials.
Which of the following materials is most similar to the materials in the table?

A

Nickel

B

Nitrogen

C

Neon

D

Neptunium

Chapter: 14
Standard: SC-07-4.6.1
DOK: 1
1 pt

.

What two processes are unlabeled in the water cycle image?

A

Condensation and sublimation

B

Runoff and sublimation

C

Runoff and condensation

D

Condensation and evaporation

Chapter: 19
Standard: SC-07-4.7.1
DOK: 3
1 pt

.

Some maple trees are more tolerant of extended warm periods. They hold their leaves longer in autumn and produce 20% more seeds than other trees within the population. If climate change trends continue, what do you suppose will most likely happen to the population of maple trees?

A

All maple trees will go extinct.

B

The warm-tolerant trees will begin to dominate the population.

C

The normal trees will continue to dominate the population.

D

Both the warm-tolerant and the normal trees will share equal portions of the population.

Chapter: 12
Standard: SC-07-3.5.1
DOK: 3
1 pt

.

Scientific evidence suggests that the finches of the Galapagos islands all developed from a similar common ancestor. This single ancestor gave rise to the current twenty-five different land birds found on the island. Each different finch species on the island has a specific type of food that it eats.
Which statement is the best conclusion based on this evidence?

A

Land dwelling finches wanted to look different from one another.

B

The beak shape changed because of different food availability.

C

The color of the finches changed due to the environmental similarity.

D

Only strong finches were able to find food.

Chapter: 2
Standard: SC-07-1.1.1
DOK: 2
1 pt

.

A model of the Periodic Table of elements is shown below.
What selection best describes the reactivity of the shaded elements?